1 Which principle of computational thinking involves understanding the problem clearly? A Problem simplification B Solution selection C Problem understanding D Algorithm design
2 Which technique is used to find and fix errors in algorithms? A Debugging B Dry run C Flowcharting D Pseudocoding
3 Which of the following is an advantage of the von Neumann architecture? A Simple design B High speed due to separate memory C No need for a control unit D Unlimited memory
4 Which network topology connects each device to a central hub or switch? A Bus topology B Ring topology C Star topology D Mesh topology
5 Which protocol is mainly used for sending and receiving web pages on the Internet? A HTTP B SMTP C FTP D TCP
8 Why is it important to respect privacy settings on digital platforms? A To make your profile popular B To protect your personal information from misuse C To get more followers D To show off your posts
9 Which of the following is an example of respecting someone's digital privacy? A Reading their private messages without permission B Sharing their personal photos online without consent C Asking for permission before sharing their information D Using their account without telling them
10 What is the main advantage of the von Neumann architecture? A Simple design and cost-effective B Very high speed C No need for memory D Parallel processing
11 Everything outside a system that can affect it is called the: A input B output C environment D process
12 What is a common application of IoT in homes? A Smart thermostats B Regular bulbs C Manual locks D Paper books
13 Which Boolean algebra law states that A + A = A? A Commutative law B Idempotent law C Distributive law D Absorption law
14 What is a common consequence of unauthorized access to private data? A Improved security B Legal penalties and loss of trust C Increased privacy D Better user experience
15 What is the primary objective of a computer network? A To increase computer speed B To share resources and communicate C To store more data locally D To reduce electricity usage
16 Which of these is a basic hardware-related issue? A Slow internet connection B Loose RAM module C Corrupted word file D Wrong system time
17 What is a key characteristic of an entrepreneur? A Avoiding all risks B Waiting for instructions C Willingness to take risks D Copying others' ideas
18 What is the purpose of cloud storage in data management? A To store data offline B To access data remotely C To delete data automatically D To slow down data processing
19 Which digital technology helps businesses understand customer behavior through large data sets? A Big Data Analytics B Traditional ledger books C Face-to-face surveys only D Handwritten receipts
20 What is the main function of a firewall in network security? A To speed up the network B To block unauthorized access C To store data backups D To assign IP addresses
21 Which type of network connects devices within a person's immediate vicinity, such as a room? A LAN B PAN C WAN D MAN
22 Which complexity measures the amount of memory an algorithm uses? A Time complexity B Space complexity C Cyclomatic complexity D Logical complexity
23 What is the benefit of sharing troubleshooting knowledge with others? A It creates more problems B It helps everyone solve issues faster C It hides solutions from colleagues D It increases downtime
24 What is the purpose of the <title> tag in HTML? A To define a heading in the body B To specify the title of the document shown in the browser tab C To create a tooltip D To add a comment
25 Knowledge systems are systems that mainly deal with: A information and knowledge B only physical machines C only chemical reactions D only water flow